Malware Analysis Report

2025-04-13 12:36

Sample ID 240802-sr77razapj
Target b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.7z
SHA256 85ccf4901d938844d57bed87ef9aa179df89505de4617e50a91600c288497bcb
Tags
asyncrat discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

85ccf4901d938844d57bed87ef9aa179df89505de4617e50a91600c288497bcb

Threat Level: Known bad

The file b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.7z was found to be: Known bad.

Malicious Activity Summary

asyncrat discovery rat

AsyncRat

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-02 15:22

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-02 15:22

Reported

2024-08-02 15:25

Platform

win7-20240708-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe"

Signatures

AsyncRat

rat asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe

"C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe"

Network

N/A

Files

memory/1472-0-0x0000000000400000-0x00000000018A2000-memory.dmp

memory/1472-1-0x0000000000400000-0x000000000185A000-memory.dmp

memory/1472-3-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/1472-2-0x00000000777D0000-0x00000000777D1000-memory.dmp

memory/1472-4-0x00000000747D0000-0x0000000074EBE000-memory.dmp

memory/1472-7-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/1472-8-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-02 15:22

Reported

2024-08-02 15:25

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe"

Signatures

AsyncRat

rat asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe

"C:\Users\Admin\AppData\Local\Temp\b47c77d237243747a51dd02d836444ba067cf6cc4b8b3344e5cf791f5f41d20e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 216.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2360-0-0x0000000000400000-0x00000000018A2000-memory.dmp

memory/2360-2-0x0000000077C93000-0x0000000077C94000-memory.dmp

memory/2360-3-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

memory/2360-1-0x0000000077C92000-0x0000000077C93000-memory.dmp

memory/2360-4-0x0000000000400000-0x000000000185A000-memory.dmp

memory/2360-5-0x00000000068A0000-0x0000000006E44000-memory.dmp

memory/2360-6-0x00000000067B0000-0x0000000006842000-memory.dmp

memory/2360-7-0x0000000006E80000-0x0000000006E8A000-memory.dmp

memory/2360-8-0x0000000074B10000-0x00000000752C0000-memory.dmp

memory/2360-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

memory/2360-10-0x0000000007C90000-0x0000000007CF6000-memory.dmp

memory/2360-12-0x0000000000400000-0x00000000018A2000-memory.dmp

memory/2360-14-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

memory/2360-15-0x0000000074B10000-0x00000000752C0000-memory.dmp